PMCR-A Power Mapping and Calibration Routing for 600 MWe CANDU-PHW Reactors
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Oh Se-Ki, G. Kugler,
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( Oh Se-Ki )
Korea Atomic Energy Research institute
( G. Kugler )
Atomic Energy Canada Limited Engineering Company
KMID : 0371819790110040275
Abstract
PMCRÀº 600MWe CANDU-PHWÀÇ Áö¿ª °úÃâ·Â Á¦¾î °èÅëÀÇ ÀÏȯÀ¸·Î ¹ßÀü¼Ò ³»¿¡ ¼³Ä¡µÈ computer¸¦ ÀÌ¿ëÇÏ¿© off-lineÀ¸·Î °è»êÀ» ¼öÇàÇÑ´Ù ÀÌ ÇÁ·Î±×·¥Àº °è»êµÈ Áß¼ºÀÚ¼Ó ºÐÆ÷·ÎºÎÅÍ ¿¬·á ¿¬¼Òµµ¸¦ °í·ÁÇÑ Ãâ·Â ºÐÆ÷¸¦ °è»êÇÏ¿© Á¤È®ÇÑ channel Ãâ·Â ºÐÆ÷¸¦ ¾ò´Â´Ù.
PMCRÀº µû¶ó¼ ¹ßÀü¼ÒÀÇ Á¦¾î ÇÁ·Î±×·¥°ú º°µµ·Î ¿¬·á ¿¬¼Òµµ¸¦ °è»êÇÑ´Ù. ÀÌ ³í¹®¿¡¼´Â ±âÁ¸ÀÇ ±ÕÀÏ Áß¼ºÀÚ¼Ó-Ãâ·Â Àüȯ¹ýÀ» ÀÌ¿ëÇÑ °è»ê°á°ú¿Í ºñ±³ÇÏ¿© PMCRÀÌ ¸Å¿ì Á¤È®ÇÑ Ãâ·Â ºÐÆ÷¸¦ ¾ò°í ÀÖÀ½À» º¸¿© ÁØ´Ù.
In 600 MWe CANDU-PHW reactors PMCR will be used on-site for calibration of the regional overpower system. PMCR will be executed off-line in one of the station computers. The program calculates accurate channel power maps by incorporating a fuel burnup dependent flux to power conversion algorithm. Fuel burnup is calculated by PMCR, hence it is independent of other software. Extensive comparisons with the uhiform flux/power conversion approximations were made. Significant improvements in power mapping accuracy are achieved with PMCR.
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